FAIR VALUE OF FINANCIAL INSTRUMENTS, Carrying Amounts and Estimated Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Financial Assets [Abstract]
Securities available for sale	$ 172,555	$ 112,322
Carrying Amount [Member]
Financial Assets [Abstract]
Cash and cash equivalents	125,240	138,303
Certificates of deposit in financial institutions	2,255	2,500
Securities available for sale	172,555	112,322
Securities held to maturity	10,845	10,020
Loans, net	841,117	841,504
Interest rate swap derivatives	717	928
Accrued interest receivable	2,987	3,319
Financial Liabilities [Abstract]
Deposits	1,045,090	993,739
Other borrowed funds	24,304	27,863
Subordinated debentures	8,500	8,500
Interest rate swap derivatives	717	928
Accrued interest payable	643	1,100
Estimated Fair Value [Member]
Financial Assets [Abstract]
Cash and cash equivalents	125,240	138,303
Certificates of deposit in financial institutions	2,255	2,500
Securities available for sale	172,555	112,322
Securities held to maturity	11,069	10,344
Loans, net	837,979	837,387
Interest rate swap derivatives	717	928
Accrued interest receivable	2,987	3,319
Financial Liabilities [Abstract]
Deposits	1,046,195	995,681
Other borrowed funds	25,447	29,807
Subordinated debentures	5,522	5,556
Interest rate swap derivatives	717	928
Accrued interest payable	643	1,100
Estimated Fair Value [Member] | Level 1 [Member]
Financial Assets [Abstract]
Cash and cash equivalents	125,240	138,303
Certificates of deposit in financial institutions	0	0
Securities available for sale	0	0
Securities held to maturity	0	0
Loans, net	0	0
Interest rate swap derivatives	0	0
Accrued interest receivable	0	0
Financial Liabilities [Abstract]
Deposits	324,576	314,777
Other borrowed funds	0	0
Subordinated debentures	0	0
Interest rate swap derivatives	0	0
Accrued interest payable	1	1
Estimated Fair Value [Member] | Level 2 [Member]
Financial Assets [Abstract]
Cash and cash equivalents	0	0
Certificates of deposit in financial institutions	2,255	2,500
Securities available for sale	172,555	112,322
Securities held to maturity	6,009	4,989
Loans, net	0	0
Interest rate swap derivatives	717	928
Accrued interest receivable	373	283
Financial Liabilities [Abstract]
Deposits	721,619	680,904
Other borrowed funds	25,447	29,807
Subordinated debentures	5,522	5,556
Interest rate swap derivatives	717	928
Accrued interest payable	642	1,099
Estimated Fair Value [Member] | Level 3 [Member]
Financial Assets [Abstract]
Cash and cash equivalents	0	0
Certificates of deposit in financial institutions	0	0
Securities available for sale	0	0
Securities held to maturity	5,060	5,355
Loans, net	837,979	837,387
Interest rate swap derivatives	0	0
Accrued interest receivable	2,614	3,036
Financial Liabilities [Abstract]
Deposits	0	0
Other borrowed funds	0	0
Subordinated debentures	0	0
Interest rate swap derivatives	0	0
Accrued interest payable	$ 0	$ 0